94699879 has 2 divisors, whose sum is σ = 94699880. Its totient is φ = 94699878.

The previous prime is 94699867. The next prime is 94699883. The reversal of 94699879 is 97899649.

It is a strong prime.

It is an emirp because it is prime and its reverse (97899649) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94699879 - 2¹⁹ = 94175591 is a prime.

It is a super-2 number, since 2×94699879² = 17936134165229282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94699859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47349939 + 47349940.

It is an arithmetic number, because the mean of its divisors is an integer number (47349940).

Almost surely, 2^94699879 is an apocalyptic number.

94699879 is a deficient number, since it is larger than the sum of its proper divisors (1).

94699879 is an equidigital number, since it uses as much as digits as its factorization.

94699879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 61.

The square root of 94699879 is about 9731.3862835672. The cubic root of 94699879 is about 455.8092573923.

The spelling of 94699879 in words is "ninety-four million, six hundred ninety-nine thousand, eight hundred seventy-nine".